Jig saw



FIG. 1 is a reduced perspective view of a jig saw showing our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a bottom plan view thereof.

The electrical cord is shown broken away in FIGS. 1, 2, 3, 5, 6 and 7 for ease of illustration. 

The ornamental design for a jig saw, as shown and described. 